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Loopy

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Posted: Thu Jun 09, 2005 8:30 pm

Its pretty shocking to design in something like that isn't it ?An interference fit of that type is absolutely critical, to have one with a spanner hex on that you just know is going to end up being turned at some point is just shocking.I know of similar designs but they use basically a tube nut to compress such a straw but it's filled with loctite first !You don't have a hope in hell of ever getting it out, even with the nut undone.

What are these design nozzles like as far as affecting fuel delivery ?To me they look like they pull fuel

Pleased to see this link has been posted again, as it was on our old board and should shut up those idiots that think that US nitrous kit company's are world leaders in nitrous technology and know what they're doing - yeh right.

Loopy,

That's exactly what happens and it's the biggest concern of the bad design. The author actually mentions this in the text. I've just converted 2 US kits to Pulsoids on bikes and they're both having to run TWICE the recommended fuel pressure to get reliable results. They were both AMAZED when I told them it was due to the faulty nozzle design causing back pressure and they're both considering switching to Crossfires.

Just for the record there is no point in the Crossfire design where such a problem could be possible. Through thoughtful design the paths of both the nitrous and fuel are solid and seperated from each other from entry to exit.

What are they actually like as far as affecting fuel delivery when they aren't faulty ?Do they still push or do they pull extra fuel ?It must make jetting a bit of a bitch having a varying influence like that.

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